Copy these from Linux v4.5-rc6 tag. This is needed so that we can keep up with newer gcc versions. Note that we don't have the uapi/ hierarchy from the kernel so continue to use <linux/types.h> Signed-off-by: Tom Rini <trini@konsulko.com>master
Tom Rini
9 years ago
parent
9902c113ad
commit
9b2c282b34
@ -1,23 +0,0 @@ |
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#ifndef __LINUX_COMPILER_H |
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#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." |
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#endif |
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#if GCC_VERSION < 30200 |
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# error Sorry, your compiler is too old - please upgrade it. |
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#endif |
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|
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#if GCC_VERSION >= 30300 |
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# define __used __attribute__((__used__)) |
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#else |
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# define __used __attribute__((__unused__)) |
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#endif |
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#if GCC_VERSION >= 30400 |
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#define __must_check __attribute__((warn_unused_result)) |
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#endif |
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#ifdef CONFIG_GCOV_KERNEL |
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# if GCC_VERSION < 30400 |
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# error "GCOV profiling support for gcc versions below 3.4 not included" |
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# endif /* __GNUC_MINOR__ */ |
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#endif /* CONFIG_GCOV_KERNEL */ |
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@ -1,88 +0,0 @@ |
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#ifndef __LINUX_COMPILER_H |
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#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead." |
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#endif |
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|
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/* GCC 4.1.[01] miscompiles __weak */ |
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#ifdef __KERNEL__ |
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# if GCC_VERSION >= 40100 && GCC_VERSION <= 40101 |
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# error Your version of gcc miscompiles the __weak directive |
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# endif |
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#endif |
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#define __used __attribute__((__used__)) |
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#define __must_check __attribute__((warn_unused_result)) |
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#define __compiler_offsetof(a,b) __builtin_offsetof(a,b) |
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|
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#if GCC_VERSION >= 40100 && GCC_VERSION < 40600 |
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# define __compiletime_object_size(obj) __builtin_object_size(obj, 0) |
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#endif |
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#if GCC_VERSION >= 40300 |
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/* Mark functions as cold. gcc will assume any path leading to a call
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to them will be unlikely. This means a lot of manual unlikely()s |
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are unnecessary now for any paths leading to the usual suspects |
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like BUG(), printk(), panic() etc. [but let's keep them for now for |
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older compilers] |
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|
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Early snapshots of gcc 4.3 don't support this and we can't detect this |
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in the preprocessor, but we can live with this because they're unreleased. |
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Maketime probing would be overkill here. |
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|
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gcc also has a __attribute__((__hot__)) to move hot functions into |
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a special section, but I don't see any sense in this right now in |
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the kernel context */ |
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#define __cold __attribute__((__cold__)) |
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#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |
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|
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#ifndef __CHECKER__ |
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# define __compiletime_warning(message) __attribute__((warning(message))) |
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# define __compiletime_error(message) __attribute__((error(message))) |
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#endif /* __CHECKER__ */ |
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#endif /* GCC_VERSION >= 40300 */ |
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#if GCC_VERSION >= 40500 |
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/*
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* Mark a position in code as unreachable. This can be used to |
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* suppress control flow warnings after asm blocks that transfer |
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* control elsewhere. |
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* |
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* Early snapshots of gcc 4.5 don't support this and we can't detect |
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* this in the preprocessor, but we can live with this because they're |
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* unreleased. Really, we need to have autoconf for the kernel. |
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*/ |
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#define unreachable() __builtin_unreachable() |
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/* Mark a function definition as prohibited from being cloned. */ |
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#define __noclone __attribute__((__noclone__)) |
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#endif /* GCC_VERSION >= 40500 */ |
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#if GCC_VERSION >= 40600 |
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/*
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* Tell the optimizer that something else uses this function or variable. |
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*/ |
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#define __visible __attribute__((externally_visible)) |
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#endif |
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|
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/*
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* GCC 'asm goto' miscompiles certain code sequences: |
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* |
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* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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* |
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* Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |
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* Fixed in GCC 4.8.2 and later versions. |
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* |
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* (asm goto is automatically volatile - the naming reflects this.) |
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*/ |
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#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) |
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#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |
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#if GCC_VERSION >= 40400 |
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#define __HAVE_BUILTIN_BSWAP32__ |
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#define __HAVE_BUILTIN_BSWAP64__ |
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#endif |
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#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600) |
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#define __HAVE_BUILTIN_BSWAP16__ |
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#endif |
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#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |
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@ -1,65 +0,0 @@ |
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#ifndef __LINUX_COMPILER_H |
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#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead." |
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#endif |
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#define __used __attribute__((__used__)) |
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#define __must_check __attribute__((warn_unused_result)) |
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#define __compiler_offsetof(a, b) __builtin_offsetof(a, b) |
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|
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/* Mark functions as cold. gcc will assume any path leading to a call
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to them will be unlikely. This means a lot of manual unlikely()s |
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are unnecessary now for any paths leading to the usual suspects |
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like BUG(), printk(), panic() etc. [but let's keep them for now for |
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older compilers] |
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|
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Early snapshots of gcc 4.3 don't support this and we can't detect this |
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in the preprocessor, but we can live with this because they're unreleased. |
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Maketime probing would be overkill here. |
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|
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gcc also has a __attribute__((__hot__)) to move hot functions into |
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a special section, but I don't see any sense in this right now in |
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the kernel context */ |
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#define __cold __attribute__((__cold__)) |
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#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |
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#ifndef __CHECKER__ |
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# define __compiletime_warning(message) __attribute__((warning(message))) |
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# define __compiletime_error(message) __attribute__((error(message))) |
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#endif /* __CHECKER__ */ |
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|
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/*
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* Mark a position in code as unreachable. This can be used to |
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* suppress control flow warnings after asm blocks that transfer |
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* control elsewhere. |
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* |
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* Early snapshots of gcc 4.5 don't support this and we can't detect |
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* this in the preprocessor, but we can live with this because they're |
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* unreleased. Really, we need to have autoconf for the kernel. |
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*/ |
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#define unreachable() __builtin_unreachable() |
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/* Mark a function definition as prohibited from being cloned. */ |
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#define __noclone __attribute__((__noclone__)) |
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/*
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* Tell the optimizer that something else uses this function or variable. |
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*/ |
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#define __visible __attribute__((externally_visible)) |
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|
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/*
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* GCC 'asm goto' miscompiles certain code sequences: |
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* |
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* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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* |
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* Work it around via a compiler barrier quirk suggested by Jakub Jelinek. |
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* |
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* (asm goto is automatically volatile - the naming reflects this.) |
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*/ |
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#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) |
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#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |
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#define __HAVE_BUILTIN_BSWAP32__ |
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#define __HAVE_BUILTIN_BSWAP64__ |
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#define __HAVE_BUILTIN_BSWAP16__ |
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#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |
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